:root{--color-bg-primary: #FFFFFF;--color-bg-secondary: #F8F9FA;--color-bg-tertiary: #F3F4F6;--color-bg-hover: #F0F1F3;--color-text-primary: #1F2937;--color-text-secondary: #6B7280;--color-text-tertiary: #9CA3AF;--color-border: #E5E7EB;--color-border-dark: #D1D5DB;--color-primary: #0066FF;--color-primary-dark: #0052CC;--color-primary-light: #E0ECFF;--color-secondary: #8B5CF6;--color-secondary-light: #F3E8FF;--color-success: #10B981;--color-success-light: #D1FAE5;--color-warning: #F59E0B;--color-warning-light: #FEF3C7;--color-error: #EF4444;--color-error-light: #FEE2E2;--color-info: #3B82F6;--color-info-light: #DBEAFE;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--color-bg-primary);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}a{text-decoration:none;color:var(--color-primary);transition:color .2s ease}a:hover{color:var(--color-primary-dark)}img{display:block;max-width:100%}@keyframes fadeInScale{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.text-primary{color:var(--color-text-primary)}.text-secondary{color:var(--color-text-secondary)}.bg-primary{background-color:var(--color-bg-primary)}.bg-secondary{background-color:var(--color-bg-secondary)}.border{border:1px solid var(--color-border)}.shadow-md{box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:var(--shadow-lg)}